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Sea to Summit Comfort Light Insulated Mat (Regular)

Sleeping well when you are backpacking requires that you sleep comfortably. The Sea to Summit Comfort Light™ Insulated sleeping mat uses Air Sprung Cell™ technology and a hybrid matrix of offset cells to provide excellent stability and amazing comfort. There is a double layer of cells in the torso for increased comfort and warmth, and a single layer of cells in the head and legs to reduce the weight. Thermolite® and Exkin Platinum® are used to optimise heat retention and the multi-function valve allows simple inflation, deflation and the ability to easily fine-tune your personal comfort level.

The uprated 30D / 40D face fabric is quiet and durable, and the lamination technology continues Sea to Summit’s class-leading reliability

Is this Insulated Air Mat?

  • Really comfortable being only 2.5” thick? Yes. Thickness is not the key factor in an air mattress; the number of points of suspension is. Your body weight is supported by 331 individual air-filled springs (size Regular)
  • Warm enough for four-season use? Almost. This air sleeping mat has a tested R-Value of 3.7 which is perfect down to a hard frost. Midwinter campers may want to add a second insulating layer.
  • Easy to inflate? Yes! The supplied stuff sack features an integrated Airstream Pump - just a couple of breaths will inflate the air sleeping mat. No dizziness for you, and practically no condensation moisture inside the air sleeping mat. Genius!

Comfort & Support

331 individual Air Sprung Cells. These small interconnected chambers support your weight and conform to your body, similar to a pocket spring mattress.

Durability & Reliability
The tough face fabric and TPU-laminate (engineered to Sea to Summit specifications) mean that the welds and airproof barrier are the most reliable in the industry.


  • R-Value of 3.7 is warm enough for extended 3.5-season camping. Click here to learn about the new ASTM R-Value test standard.
  • Exkin Platinum® fabric and THERMOLITE® insulation are combined to prevent heat loss
  • Hybrid-Layer Air Sprung Cells provide more support and insulation in the torso area as well as excellent comfort.
  • Quick and easy inflation, deflation and adjustment made possible by patent-pending multi-function valve and supplied Airstream Pump™/stuff sack.
  • Tough 30D / 40D face fabric with Sea to Summit’s liquid-extruded lamination is quiet, durable and extremely reliable.
  • PillowLock™ system prevents your Aeros™ Pillow from slipping.


  • Length: 184cm
  • Width. 55 cm (shoulder) / 42cm (feet)
  • R-Value: 3.7
  • Insulation: Exkin Platinum fabric and Thermolite
  • Fabric: 30D / 40D nylon with anti-microbial liquid-extruded TPU lamination
  • Season: 3
  • Supplied with: Airstream Pumpsack / Stuff Sack and a mat repair kit
  • Pack size: 11 x 23 cm
  • Weight: 640g

Personal Shopping - By Appointment

Would you like to try on some climbing shoes, running shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.

Customer Reviews

Based on 3 reviews
Tim C.
Great Service.

Have sent the item as a gift, so cannot comment on its insulation/comfort etc. However as always your postal department and delivery was ‘spot on’ Thank you.

Willis F.
Great mat

Comfy, silent to sleep on, not as warm as i was expecting. But still a great mat
Lightweight mat

Willis Feasey
Great mat

Comfy, silent to sleep on, not as warm as i was expecting. But still a great mat
Lightweight mat